Re: [zfs-discuss] ZFS/zpool Versions in Solaris 10

2009-04-21 Thread Steffen Weiberle

On 04/21/09 13:12, bob netherton wrote:




since I am trying to keep my pools at a version that different updates 
can handle, I personally am glad it did not get rev'ed. I did get into 
trouble recently that SX-CE 112 created a file system on an old pool 
with a version newer than Solaris 10 likes :(




-o is your best friend ;-)I can now get rid of all of those 
pre-allocated filesystems
that I used for just this purpose.   Don't know where all of the corner 
cases are, but
this appears to be a workaround.   Just keep a table of the pool and 
filesystem versions

for each release handy.


# zpool create -o version=10 newpool c0d0s4

I did this on nv112 and . drum roll please ..   it can be 
imported on Solaris 10.


Same thing for ZFS.

# zfs create -o version=1 rpool/legacy-file-system

Also created on nv112 and also  wait for it ...   mountable and 
totally

usable on Solaris 10 10/08.

It's a beautiful thing.  


Thanks, Bob. I figured that much, just got surprise (and only recently), 
and when I switched back to S10 8/07 to diagnose a customer problem, I 
got error messages!


Fortunately it was still able to boot, and mount!

# zfs get version mypool/zones-snv112-090414/master
NAME   PROPERTY  VALUE 
SOURCE
mypool/zones-snv112-090414/master  version   2 
-

# zfs get version mypool
NAMEPROPERTY  VALUESOURCE
mypool  version   1-

Note that the file systems are being created by zoneadm. However, since 
I created the mypool/zones-snv112-090414 filesystem by hand (on 112), I 
will have to verify that a clone of it will keep the version as the origin.


Steffen



Bob


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Re: [zfs-discuss] ZFS/zpool Versions in Solaris 10

2009-04-21 Thread bob netherton




since I am trying to keep my pools at a version that different updates 
can handle, I personally am glad it did not get rev'ed. I did get into 
trouble recently that SX-CE 112 created a file system on an old pool 
with a version newer than Solaris 10 likes :(




-o is your best friend ;-)I can now get rid of all of those 
pre-allocated filesystems
that I used for just this purpose.   Don't know where all of the corner 
cases are, but
this appears to be a workaround.   Just keep a table of the pool and 
filesystem versions

for each release handy.


# zpool create -o version=10 newpool c0d0s4

I did this on nv112 and . drum roll please ..   it can be 
imported on Solaris 10.


Same thing for ZFS.

# zfs create -o version=1 rpool/legacy-file-system

Also created on nv112 and also  wait for it ...   mountable and 
totally

usable on Solaris 10 10/08.

It's a beautiful thing.   





Bob
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Re: [zfs-discuss] ZFS/zpool Versions in Solaris 10

2009-04-21 Thread Steffen Weiberle

On 04/21/09 11:08, Andrew Nicols on behalf of LUNS Root Output wrote:

All,

Is there anywhere which suggests what versions of zfs and zpool will make
it into Solaris 10 update 7 05/09 next month? I'm currently running Update
6 on an x4500 but would really like to have the new zpool scrub code
released in version 11.

Thanks in advance,

Andrew


build 08 created a pool with version 10.

since I am trying to keep my pools at a version that different updates 
can handle, I personally am glad it did not get rev'ed. I did get into 
trouble recently that SX-CE 112 created a file system on an old pool 
with a version newer than Solaris 10 likes :(


maybe you can get the scrub features without a pool version change--I 
don't know what the new features are so I can't easily tell.


Steffen





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[zfs-discuss] ZFS/zpool Versions in Solaris 10

2009-04-21 Thread Andrew Nicols on behalf of LUNS Root Output
All,

Is there anywhere which suggests what versions of zfs and zpool will make
it into Solaris 10 update 7 05/09 next month? I'm currently running Update
6 on an x4500 but would really like to have the new zpool scrub code
released in version 11.

Thanks in advance,

Andrew

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Systems Developer

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im: a.nic...@jabber.lancs.ac.uk
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